| SK8FUNC AS | Gjettum | 2019 |
| Skaarlia Barnehage SA | Sandnes | 1997 |
| Skadberg Barnehage SA | Sola | 2005 |
| Skagen Trafikkskole AS | Stavanger | 1995 |
| Skagerak International School, Tønsberg AS | Tønsberg | 2018 |
| Skagerak Privatist AS | Sandefjord | 2020 |
| Skagerak Sikkerhet AS | Skien | 2016 |
| Skala Barnehage AS | Gressvik | 2005 |
| Skala Eiendom AS | Gressvik | 2008 |
| Skaland Naturbarnehage AS | Mosjøen | 2006 |
| Skandinavisk Institutt for Kommunikologi AS | Helgeroa | 1989 |
| Skandinavisk Trafikksenter AS | Kristiansand S | 2004 |
| Skap Kreativ Folkehøyskole AS | Mandal | 2015 |
| Skaperkraften AS | Bruvik | 2001 |
| Skaperlaget Keramikkverksted AS | Tromsø | 2024 |
| Skarevik Barnehage SA | Raudeberg | 2002 |
| SKARNING01 AS | Oslo | 2023 |
| Skarnsundet Montessoriskole SA | Mosvik | 2020 |
| Skarva Barnehage SA | Lommedalen | 1990 |
| Skattekista Barnehage SA | Larvik | 1999 |
| Skattekisten Barnehage SA | Drammen | 2001 |
| Skattekisten Kulturbarnehage AS | Egersund | 2008 |
| Skaubo AS | Bekkestua | 2011 |
| Skauen Barnehage SA | Oslo | 2002 |
| Skauen Kristelige Barnehage AS | Skien | 2020 |
| Skaug Barnehage AS | Sarpsborg | 2022 |
| Skaugdalen Barnehage SA | Rissa | 1988 |
| Skaugdalen Montessoriskole SA | Rissa | 2013 |
| Skauset AS | Nordfjordeid | 2024 |
| Skautrollet AS | Kongsberg | 1997 |
| Skautrollet Naturbarnehage AS | Leknes | 2021 |
| Skedsmo Barnehager SA | Skedsmokorset | 1989 |
| Skedsmo Functional Fitness AS | Skedsmokorset | 2020 |
| Skeisbotnen Barnehage AS | Hagavik | 2010 |
| Skeivt Kurs- Og Kompetansesenter AS | Oslo | 2023 |
| Ski- Og Skogsopplevelser AS | Stavanger | 2020 |
| SKI4ALL AS | Gjerdrum | 2020 |
| Skien Ridesenter AS | Skien | 2022 |
| Skien Trafikkskole Da | Skien | 1994 |
| Skif AS | Gamle Fredrikstad | 2021 |
| Skille Investments AS | Trondheim | 2023 |
| Skillebekk Surdeig AS | Oslo | 2020 |
| Skills Trafikkskole AS | Tromsø | 2018 |
| Skillup Network AS | Mosjøen | 2021 |
| Skilo AS | Flekkerøy | 2025 |
| Skiløpern AS | Oslo | 2026 |
| Skin Academy AS | Oslo | 2018 |
| Skinsnesheia Barnehage AS | Mandal | 2004 |
| Skipman AS | Borhaug | 2008 |
| Skjefte Barnehage AS | Steinkjer | 2005 |
| Skjelberg Moves AS | Sandefjord | 2018 |
| Skjoldastraumen Maritime Fus Barnehage AS | Skjoldastraumen | 2014 |
| Skjoldmøy AS | Foldfjorden | 2020 |
| Skjong Barnehage SA | Valderøya | 1995 |
| Skjærviken Barnehage AS | Sellebakk | 2019 |
| Skogan Gård Equestrian AS | Sandefjord | 2010 |
| Skogfuglen Barnehage AS | Oslo | 2022 |
| Skogkanten Barnehage AS | Oslo | 2000 |
| Skogkanten Barnehage SA | Sørumsand | 2000 |
| Skogkanten Dyr & Naturbarnehage AS | Halden | 2008 |
| Skogly - Sio Barnehage AS | Oslo | 2022 |
| Skoglyveien Barnehage AS | Namsos | 2024 |
| Skogmusa Barnehage SA | Skien | 1991 |
| Skogro Barnehage AS | Sarpsborg | 2003 |
| Skogsfinska Kompaniet AB Nuf | Se-685 91 Torsby | 2025 |
| Skogshorn Rideleir AS | Hemsedal | 2002 |
| Skogstjernen Familiebarnehage AS | Hønefoss | 2012 |
| Skogtoppen 2 AS | Porsgrunn | 2011 |
| Skogvoll AS | Oslo | 2025 |
| Skoleambulansen AS | Sævelandsvik | 2012 |
| Skolebrannbilen AS | Sævelandsvik | 2012 |
| Skolekanalen AS | Bergen | 2017 |
| Skolemagasinet AS | Billingstad | 2007 |
| Skolemiljø-Barnehagemiljø AS | Skien | 2023 |
| Skolen for Atferdsbasert Hestetrening AS | Lundersæter | 2026 |
| Skolen for Kunstig Intelligens AS | Oslo | 2022 |
| Skolen Fri AS | Randaberg | 2026 |
| Skolert AS | Røros | 2014 |
| Skolsegglia Fus Barnehage AS | Skedsmokorset | 2018 |
| Skomsøy Trafikkskole AS | Nøtterøy | 2013 |
| Skonnordtjernet Barnehage AS | Snertingdal | 2006 |
| Skorvane Fus Barnehage AS | Hagavik | 2019 |
| Skotterudløkka Barnehage AS | Skotterud | 2026 |
| Skrapeklev Barnehage SA | Porsgrunn | 1988 |
| Skredder'N Barnehage SA | Oslo | 2000 |
| Skredderstua Barnehage AS | Oslo | 2026 |
| Skrimtrollet Barnehage SA | Kongsberg | 2008 |
| Skriv Akademisk AS | Rasta | 2023 |
| Skriveakademiet AS | Drammen | 2022 |
| Skrukketrollet Familiebarnehage Da | Horten | 2004 |
| SKS Sikkerhetskurs AS | Krokelvdalen | 2016 |
| Skude Undervisning Da | Skudeneshavn | 2015 |
| Skulbørstad Holding AS | Stjørdal | 2021 |
| Skulestad Barnehage SA | Skulestadmo | 2002 |
| Skullerudhøgda Foreldrelagsbarnehage SA | Oslo | 1994 |
| Skuta Barnehage SA | Tiller | 1989 |
| Skvulp Nordvegen AS | Haugesund | 2010 |
| Sky Horses AS | Vinterbro | 2012 |
| Skyhøi AS | Lillehammer | 2023 |
| Skyped AS | Krokstadelva | 2014 |